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Four people were arrested after a chaotic day of fights in South Beach Monday, police said. NBC 6 anchor Keith Jones reports. (Published Monday, Feb 17, 2014)

Updated at 1:10 AM EST on Tuesday, Feb 18, 2014

Four people were arrested after a chaotic day of fights in South Beach Monday, police said.

The chaos on the beach and on nearby streets was fueled by teens being off from school for the Presidents’ Day holiday, congregating in one area, and lots of alcohol, Miami Beach Police said.

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Police said there were as many as 20 fights. The four people arrested – which included one juvenile – were all charged with disorderly conduct and disorderly intoxication, police said.

The fights began on the beach. More than two dozen officers flooded the sand and the streets to break up the confrontations. Many people in the crowd said that once police arrived they used pepper spray to disperse the crowd.

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Once the crowd was pushed from the beach, the crowd moved to a parking garage on 7th Street between Collins Avenue and Washington Avenue. Most of the fights took place in the area of 7th Street and Collins Avenue. Witnesses say they seemed random, with agitators throwing anything they could get their hands on.

Afterward there was heavy traffic on streets including Collins Avenue. Officers were working to keep traffic moving out of the city, police said on Twitter.